77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
83
int(second), # Whole seconds
84
int(fraction*1000000)) # Microseconds
80
87
class MandosClientPropertyCache(object):
81
88
"""This wraps a Mandos Client D-Bus proxy object, caches the
82
89
properties and calls a hook function when any of them are
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
self.proxy = proxy_object # Mandos Client proxy object
88
self.properties = dict()
89
self.proxy.connect_to_signal("PropertyChanged",
90
self.property_changed,
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
102
def property_changed(self, property=None, value=None):
103
"""This is called whenever we get a PropertyChanged signal
104
It updates the changed property in the "properties" dict.
92
def __init__(self, proxy_object=None, properties=None, **kwargs):
93
self.proxy = proxy_object # Mandos Client proxy object
94
self.properties = dict() if properties is None else properties
95
self.property_changed_match = (
96
self.proxy.connect_to_signal("PropertiesChanged",
97
self.properties_changed,
98
dbus.PROPERTIES_IFACE,
101
if properties is None:
102
self.properties.update(self.proxy.GetAll(
104
dbus_interface=dbus.PROPERTIES_IFACE))
106
super(MandosClientPropertyCache, self).__init__(**kwargs)
108
def properties_changed(self, interface, properties, invalidated):
109
"""This is called whenever we get a PropertiesChanged signal
110
It updates the changed properties in the "properties" dict.
106
112
# Update properties dict with new value
107
self.properties[property] = value
113
if interface == client_interface:
114
self.properties.update(properties)
117
self.property_changed_match.remove()
110
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
111
121
"""A Mandos Client which is visible on the screen.
114
124
def __init__(self, server_proxy_object=None, update_hook=None,
115
delete_hook=None, logger=None, *args, **kwargs):
125
delete_hook=None, logger=None, **kwargs):
116
126
# Called on update
117
127
self.update_hook = update_hook
118
128
# Called on delete
121
131
self.server_proxy_object = server_proxy_object
123
133
self.logger = logger
125
135
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
129
137
# The widget shown normally
130
138
self._text_widget = urwid.Text("")
131
139
# The widget shown when we have focus
132
140
self._focus_text_widget = urwid.Text("")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
141
super(MandosClientWidget, self).__init__(**kwargs)
137
143
self.opened = False
139
last_checked_ok = isoformat_to_datetime(self.properties
141
if last_checked_ok is None:
142
self.last_checker_failed = True
144
self.last_checker_failed = ((datetime.datetime.utcnow()
151
if self.last_checker_failed:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
157
self.proxy.connect_to_signal("CheckerCompleted",
158
self.checker_completed,
161
self.proxy.connect_to_signal("CheckerStarted",
162
self.checker_started,
165
self.proxy.connect_to_signal("GotSecret",
169
self.proxy.connect_to_signal("NeedApproval",
173
self.proxy.connect_to_signal("Rejected",
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
181
if property == "ApprovalPending":
182
using_timer(bool(value))
145
self.match_objects = (
146
self.proxy.connect_to_signal("CheckerCompleted",
147
self.checker_completed,
150
self.proxy.connect_to_signal("CheckerStarted",
151
self.checker_started,
154
self.proxy.connect_to_signal("GotSecret",
158
self.proxy.connect_to_signal("NeedApproval",
162
self.proxy.connect_to_signal("Rejected",
166
self.logger('Created client {}'
167
.format(self.properties["Name"]), level=0)
184
169
def using_timer(self, flag):
185
170
"""Call this method with True or False when timer should be
186
171
activated or deactivated.
188
old = self._update_timer_callback_lock
190
self._update_timer_callback_lock += 1
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
194
self._update_timer_callback_tag = (gobject.timeout_add
173
if flag and self._update_timer_callback_tag is None:
174
# Will update the shown timer value every second
175
self._update_timer_callback_tag = (GLib.timeout_add
196
177
self.update_timer))
197
elif old and self._update_timer_callback_lock == 0:
198
gobject.source_remove(self._update_timer_callback_tag)
178
elif not (flag or self._update_timer_callback_tag is None):
179
GLib.source_remove(self._update_timer_callback_tag)
199
180
self._update_timer_callback_tag = None
201
182
def checker_completed(self, exitstatus, condition, command):
202
183
if exitstatus == 0:
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger('Checker for client %s (command "%s")'
208
# % (self.properties["Name"], command))
184
self.logger('Checker for client {} (command "{}")'
185
' succeeded'.format(self.properties["Name"],
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
190
if os.WIFEXITED(condition):
216
self.logger('Checker for client %s (command "%s")'
217
' failed with exit code %s'
218
% (self.properties["Name"], command,
219
os.WEXITSTATUS(condition)))
191
self.logger('Checker for client {} (command "{}") failed'
193
.format(self.properties["Name"], command,
194
os.WEXITSTATUS(condition)))
220
195
elif os.WIFSIGNALED(condition):
221
self.logger('Checker for client %s (command "%s")'
222
' was killed by signal %s'
223
% (self.properties["Name"], command,
224
os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
228
% (self.properties["Name"], command))
230
self.logger('Checker for client %s completed'
196
self.logger('Checker for client {} (command "{}") was'
197
' killed by signal {}'
198
.format(self.properties["Name"], command,
199
os.WTERMSIG(condition)))
234
202
def checker_started(self, command):
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
203
"""Server signals that a checker started."""
204
self.logger('Client {} started checker "{}"'
205
.format(self.properties["Name"],
239
208
def got_secret(self):
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
209
self.logger('Client {} received its secret'
210
.format(self.properties["Name"]))
244
212
def need_approval(self, timeout, default):
246
message = 'Client %s needs approval within %s seconds'
214
message = 'Client {} needs approval within {} seconds'
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
216
message = 'Client {} will get its secret in {} seconds'
217
self.logger(message.format(self.properties["Name"],
253
220
def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
257
224
def selectable(self):
258
225
"""Make this a "selectable" widget.
259
226
This overrides the method from urwid.FlowWidget."""
262
229
def rows(self, maxcolrow, focus=False):
263
230
"""How many rows this widget will occupy might depend on
264
231
whether we have focus or not.
265
232
This overrides the method from urwid.FlowWidget"""
266
233
return self.current_widget(focus).rows(maxcolrow, focus=focus)
268
235
def current_widget(self, focus=False):
269
236
if focus or self.opened:
270
237
return self._focus_widget
271
238
return self._widget
273
240
def update(self):
274
241
"Called when what is visible on the screen should be updated."
275
242
# How to add standout mode to a style
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
243
with_standout = {"normal": "standout",
244
"bold": "bold-standout",
246
"underline-blink-standout",
247
"bold-underline-blink":
248
"bold-underline-blink-standout",
284
251
# Rebuild focus and non-focus widgets using current properties
286
253
# Base part of a client. Name!
288
% {"name": self.properties["Name"]})
254
base = '{name}: '.format(name=self.properties["Name"])
289
255
if not self.properties["Enabled"]:
290
256
message = "DISABLED"
257
self.using_timer(False)
291
258
elif self.properties["ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
259
timeout = datetime.timedelta(
260
milliseconds=self.properties["ApprovalDelay"])
295
261
last_approval_request = isoformat_to_datetime(
296
262
self.properties["LastApprovalRequest"])
297
263
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
264
timer = max(timeout - (datetime.datetime.utcnow()
265
- last_approval_request),
266
datetime.timedelta())
301
268
timer = datetime.timedelta()
302
269
if self.properties["ApprovedByDefault"]:
303
message = "Approval in %s. (d)eny?"
305
message = "Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
311
last_ok = isoformat_to_datetime(
312
max((self.properties["LastCheckedOK"]
313
or self.properties["Created"]),
314
self.properties["LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
270
message = "Approval in {}. (d)eny?"
272
message = "Denial in {}. (a)pprove?"
273
message = message.format(str(timer).rsplit(".", 1)[0])
274
self.using_timer(True)
275
elif self.properties["LastCheckerStatus"] != 0:
276
# When checker has failed, show timer until client expires
277
expires = self.properties["Expires"]
279
timer = datetime.timedelta(0)
281
expires = (datetime.datetime.strptime
282
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
283
timer = max(expires - datetime.datetime.utcnow(),
284
datetime.timedelta())
316
285
message = ('A checker has failed! Time until client'
318
% unicode(timer).rsplit(".", 1)[0])
287
.format(str(timer).rsplit(".", 1)[0]))
288
self.using_timer(True)
320
290
message = "enabled"
321
self._text = "%s%s" % (base, message)
291
self.using_timer(False)
292
self._text = "{}{}".format(base, message)
323
294
if not urwid.supports_unicode():
324
295
self._text = self._text.encode("ascii", "replace")
325
296
textlist = [("normal", self._text)]
335
306
# Run update hook, if any
336
307
if self.update_hook is not None:
337
308
self.update_hook()
339
310
def update_timer(self):
311
"""called by GLib. Will indefinitely loop until
312
GLib.source_remove() on tag is called
342
315
return True # Keep calling this
317
def delete(self, **kwargs):
345
318
if self._update_timer_callback_tag is not None:
346
gobject.source_remove(self._update_timer_callback_tag)
319
GLib.source_remove(self._update_timer_callback_tag)
347
320
self._update_timer_callback_tag = None
321
for match in self.match_objects:
323
self.match_objects = ()
348
324
if self.delete_hook is not None:
349
325
self.delete_hook(self)
326
return super(MandosClientWidget, self).delete(**kwargs)
351
328
def render(self, maxcolrow, focus=False):
352
329
"""Render differently if we have focus.
353
330
This overrides the method from urwid.FlowWidget"""
354
331
return self.current_widget(focus).render(maxcolrow,
357
334
def keypress(self, maxcolrow, key):
359
336
This overrides the method from urwid.FlowWidget"""
361
self.proxy.Enable(dbus_interface = client_interface,
338
self.proxy.Set(client_interface, "Enabled",
339
dbus.Boolean(True), ignore_reply=True,
340
dbus_interface=dbus.PROPERTIES_IFACE)
364
self.proxy.Disable(dbus_interface = client_interface,
342
self.proxy.Set(client_interface, "Enabled", False,
344
dbus_interface=dbus.PROPERTIES_IFACE)
367
346
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
368
dbus_interface = client_interface,
347
dbus_interface=client_interface,
369
348
ignore_reply=True)
371
350
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
372
dbus_interface = client_interface,
351
dbus_interface=client_interface,
373
352
ignore_reply=True)
374
353
elif key == "R" or key == "_" or key == "ctrl k":
375
354
self.server_proxy_object.RemoveClient(self.proxy
377
356
ignore_reply=True)
379
self.proxy.StartChecker(dbus_interface = client_interface,
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(True), ignore_reply=True,
360
dbus_interface=dbus.PROPERTIES_IFACE)
382
self.proxy.StopChecker(dbus_interface = client_interface,
362
self.proxy.Set(client_interface, "CheckerRunning",
363
dbus.Boolean(False), ignore_reply=True,
364
dbus_interface=dbus.PROPERTIES_IFACE)
385
self.proxy.CheckedOK(dbus_interface = client_interface,
366
self.proxy.CheckedOK(dbus_interface=client_interface,
386
367
ignore_reply=True)
388
369
# elif key == "p" or key == "=":
422
404
"""This is the entire user interface - the whole screen
423
405
with boxes, lists of client widgets, etc.
425
def __init__(self, max_log_length=1000):
407
def __init__(self, max_log_length=1000, log_level=1):
426
408
DBusGMainLoop(set_as_default=True)
428
410
self.screen = urwid.curses_display.Screen()
430
412
self.screen.register_palette((
432
414
"default", "default", None),
434
"default", "default", "bold"),
416
"bold", "default", "bold"),
435
417
("underline-blink",
436
"default", "default", "underline"),
418
"underline,blink", "default", "underline,blink"),
438
"default", "default", "standout"),
420
"standout", "default", "standout"),
439
421
("bold-underline-blink",
440
"default", "default", ("bold", "underline")),
422
"bold,underline,blink", "default",
423
"bold,underline,blink"),
441
424
("bold-standout",
442
"default", "default", ("bold", "standout")),
425
"bold,standout", "default", "bold,standout"),
443
426
("underline-blink-standout",
444
"default", "default", ("underline", "standout")),
427
"underline,blink,standout", "default",
428
"underline,blink,standout"),
445
429
("bold-underline-blink-standout",
446
"default", "default", ("bold", "underline",
430
"bold,underline,blink,standout", "default",
431
"bold,underline,blink,standout"),
450
434
if urwid.supports_unicode():
451
self.divider = "─" # \u2500
452
#self.divider = "━" # \u2501
435
self.divider = "─" # \u2500
454
#self.divider = "-" # \u002d
455
self.divider = "_" # \u005f
437
self.divider = "_" # \u005f
457
439
self.screen.start()
459
441
self.size = self.screen.get_cols_rows()
461
443
self.clients = urwid.SimpleListWalker([])
462
444
self.clients_dict = {}
464
446
# We will add Text widgets to this list
447
self.log = urwid.SimpleListWalker([])
466
448
self.max_log_length = max_log_length
450
self.log_level = log_level
468
452
# We keep a reference to the log widget so we can remove it
469
453
# from the ListWalker without it getting destroyed
470
454
self.logbox = ConstrainedListBox(self.log)
472
456
# This keeps track of whether self.uilist currently has
473
457
# self.logbox in it or not
474
458
self.log_visible = True
475
459
self.log_wrap = "any"
478
462
self.log_message_raw(("bold",
479
463
"Mandos Monitor version " + version))
480
464
self.log_message_raw(("bold",
481
465
"q: Quit ?: Help"))
483
467
self.busname = domain + '.Mandos'
484
self.main_loop = gobject.MainLoop()
485
self.bus = dbus.SystemBus()
486
mandos_dbus_objc = self.bus.get_object(
487
self.busname, "/", follow_name_owner_changes=True)
488
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
492
mandos_clients = (self.mandos_serv
493
.GetAllClientsWithProperties())
494
except dbus.exceptions.DBusException:
495
mandos_clients = dbus.Dictionary()
498
.connect_to_signal("ClientRemoved",
499
self.find_and_remove_client,
500
dbus_interface=server_interface,
503
.connect_to_signal("ClientAdded",
505
dbus_interface=server_interface,
508
.connect_to_signal("ClientNotFound",
509
self.client_not_found,
510
dbus_interface=server_interface,
512
for path, client in mandos_clients.iteritems():
513
client_proxy_object = self.bus.get_object(self.busname,
515
self.add_client(MandosClientWidget(server_proxy_object
518
=client_proxy_object,
468
self.main_loop = GLib.MainLoop()
528
470
def client_not_found(self, fingerprint, address):
529
self.log_message(("Client with address %s and fingerprint %s"
530
" could not be found" % (address,
471
self.log_message("Client with address {} and fingerprint {}"
472
" could not be found"
473
.format(address, fingerprint))
533
475
def rebuild(self):
534
476
"""This rebuilds the User Interface.
535
477
Call this when the widget layout needs to change"""
537
#self.uilist.append(urwid.ListBox(self.clients))
479
# self.uilist.append(urwid.ListBox(self.clients))
538
480
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
540
#header=urwid.Divider(),
482
# header=urwid.Divider(),
543
urwid.Divider(div_char=
484
footer=urwid.Divider(
485
div_char=self.divider)))
545
486
if self.log_visible:
546
487
self.uilist.append(self.logbox)
548
488
self.topwidget = urwid.Pile(self.uilist)
550
def log_message(self, message):
490
def log_message(self, message, level=1):
491
"""Log message formatted with timestamp"""
492
if level < self.log_level:
551
494
timestamp = datetime.datetime.now().isoformat()
552
self.log_message_raw(timestamp + ": " + message)
554
def log_message_raw(self, markup):
495
self.log_message_raw("{}: {}".format(timestamp, message),
498
def log_message_raw(self, markup, level=1):
555
499
"""Add a log message to the log buffer."""
500
if level < self.log_level:
556
502
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
557
if (self.max_log_length
558
and len(self.log) > self.max_log_length):
559
del self.log[0:len(self.log)-self.max_log_length-1]
560
self.logbox.set_focus(len(self.logbox.body.contents),
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:len(self.log)-self.max_log_length-1]
506
self.logbox.set_focus(len(self.logbox.body.contents)-1,
561
507
coming_from="above")
564
510
def toggle_log_display(self):
565
511
"""Toggle visibility of the log buffer."""
566
512
self.log_visible = not self.log_visible
568
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
514
self.log_message("Log visibility changed to: {}"
515
.format(self.log_visible), level=0)
571
517
def change_log_display(self):
572
518
"""Change type of log display.
573
519
Currently, this toggles wrapping of text lines."""
577
523
self.log_wrap = "clip"
578
524
for textwidget in self.log:
579
525
textwidget.set_wrap_mode(self.log_wrap)
580
#self.log_message("Wrap mode: " + self.log_wrap)
582
def find_and_remove_client(self, path, name):
583
"""Find an client from its object path and remove it.
585
This is connected to the ClientRemoved signal from the
526
self.log_message("Wrap mode: {}".format(self.log_wrap),
529
def find_and_remove_client(self, path, interfaces):
530
"""Find a client by its object path and remove it.
532
This is connected to the InterfacesRemoved signal from the
586
533
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
588
538
client = self.clients_dict[path]
592
self.remove_client(client, path)
594
def add_new_client(self, path):
541
self.log_message("Unknown client {!r} removed"
546
def add_new_client(self, path, ifs_and_props):
547
"""Find a client by its object path and remove it.
549
This is connected to the InterfacesAdded signal from the
550
Mandos server object.
552
if client_interface not in ifs_and_props:
553
# Not a Mandos client object; ignore
595
555
client_proxy_object = self.bus.get_object(self.busname, path)
596
self.add_client(MandosClientWidget(server_proxy_object
599
=client_proxy_object,
556
self.add_client(MandosClientWidget(
557
server_proxy_object=self.mandos_serv,
558
proxy_object=client_proxy_object,
559
update_hook=self.refresh,
560
delete_hook=self.remove_client,
561
logger=self.log_message,
562
properties=dict(ifs_and_props[client_interface])),
608
565
def add_client(self, client, path=None):
609
566
self.clients.append(client)
611
568
path = client.proxy.object_path
612
569
self.clients_dict[path] = client
613
self.clients.sort(None, lambda c: c.properties["Name"])
570
self.clients.sort(key=lambda c: c.properties["Name"])
616
573
def remove_client(self, client, path=None):
617
574
self.clients.remove(client)
619
576
path = client.proxy.object_path
620
577
del self.clients_dict[path]
621
if not self.clients_dict:
622
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
623
# is completely emptied, we need to recreate it.
624
self.clients = urwid.SimpleListWalker([])
628
580
def refresh(self):
629
581
"""Redraw the screen"""
630
582
canvas = self.topwidget.render(self.size, focus=True)
631
583
self.screen.draw_screen(self.size, canvas)
634
586
"""Start the main loop and exit when it's done."""
587
self.bus = dbus.SystemBus()
588
mandos_dbus_objc = self.bus.get_object(
589
self.busname, "/", follow_name_owner_changes=True)
590
self.mandos_serv = dbus.Interface(
591
mandos_dbus_objc, dbus_interface=server_interface)
593
mandos_clients = (self.mandos_serv
594
.GetAllClientsWithProperties())
595
if not mandos_clients:
596
self.log_message_raw(("bold",
597
"Note: Server has no clients."))
598
except dbus.exceptions.DBusException:
599
self.log_message_raw(("bold",
600
"Note: No Mandos server running."))
601
mandos_clients = dbus.Dictionary()
604
.connect_to_signal("InterfacesRemoved",
605
self.find_and_remove_client,
606
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
609
.connect_to_signal("InterfacesAdded",
611
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
614
.connect_to_signal("ClientNotFound",
615
self.client_not_found,
616
dbus_interface=server_interface,
618
for path, client in mandos_clients.items():
619
client_proxy_object = self.bus.get_object(self.busname,
621
self.add_client(MandosClientWidget(
622
server_proxy_object=self.mandos_serv,
623
proxy_object=client_proxy_object,
625
update_hook=self.refresh,
626
delete_hook=self.remove_client,
627
logger=self.log_message),
636
self._input_callback_tag = (gobject.io_add_watch
631
self._input_callback_tag = (GLib.io_add_watch
637
632
(sys.stdin.fileno(),
639
634
self.process_input))
640
635
self.main_loop.run()
641
636
# Main loop has finished, we should close everything now
642
gobject.source_remove(self._input_callback_tag)
637
GLib.source_remove(self._input_callback_tag)
643
638
self.screen.stop()
646
641
self.main_loop.quit()
648
643
def process_input(self, source, condition):
649
644
keys = self.screen.get_input()
650
translations = { "ctrl n": "down", # Emacs
651
"ctrl p": "up", # Emacs
652
"ctrl v": "page down", # Emacs
653
"meta v": "page up", # Emacs
654
" ": "page down", # less
655
"f": "page down", # less
656
"b": "page up", # less
645
translations = {"ctrl n": "down", # Emacs
646
"ctrl p": "up", # Emacs
647
"ctrl v": "page down", # Emacs
648
"meta v": "page up", # Emacs
649
" ": "page down", # less
650
"f": "page down", # less
651
"b": "page up", # less
662
657
key = translations[key]
663
658
except KeyError: # :-)
666
661
if key == "q" or key == "Q":
669
664
elif key == "window resize":
670
665
self.size = self.screen.get_cols_rows()
672
elif key == "\f": # Ctrl-L
667
elif key == "ctrl l":
674
670
elif key == "l" or key == "D":
675
671
self.toggle_log_display()